Help how can i get my ip address unbanned

hi fokes may i find someone with experties what my problem is is that no apparent reason i have been banned from gametrailers.com it says my ip address has been banned when i log into my mates profile to see if it will do same thing it did. is there anything i can do to get unbanned. i have sent an email to gametrailers.com about it and the person said he unbanned me but i go onto web and try to go to fourms and i still get it saying i been banned. at this moment wating a email from him but if anyone knows if they can help me please please can you help i have i cable modem plugged up to my wireless router for xbox 360 please help me cheers